libsecret: bump to version 0.18.4

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libsecret/libsecret.hash

@@ -1,2 +1,2 @@
-# From http://ftp.gnome.org/pub/GNOME/sources/libsecret/0.18/libsecret-0.18.3.sha256sum
-sha256	f2bf1d0c5ab4640664f3e3c7ef6b086c180e50ff415720b5e22f96750dbf84c9	libsecret-0.18.3.tar.xz
+# From http://ftp.gnome.org/pub/GNOME/sources/libsecret/0.18/libsecret-0.18.4.sha256sum
+sha256	0f29b51698198e6999c91f4adce3119c8c457f546b133a85baea5ea9010a19ed	libsecret-0.18.4.tar.xz

package/libsecret/libsecret.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 LIBSECRET_VERSION_MAJOR = 0.18
-LIBSECRET_VERSION = $(LIBSECRET_VERSION_MAJOR).3
+LIBSECRET_VERSION = $(LIBSECRET_VERSION_MAJOR).4
 LIBSECRET_SITE = http://ftp.gnome.org/pub/GNOME/sources/libsecret/$(LIBSECRET_VERSION_MAJOR)
 LIBSECRET_SOURCE = libsecret-$(LIBSECRET_VERSION).tar.xz
 LIBSECRET_INSTALL_STAGING = YES